Samsung LE19R86BD Service Manual page 100

4-2-2 No Video (Analog PC)
Power Indicator is off.
Lamp on, no video.
Yes
Check a PC source and check
the connection of DSUB cable?
Yes
Does the sigmal appear at
1
R5043, R5042, R5040?
Yes
Does the digital data appear at the
output of RA6001~5?
Yes
Check a LVDS cable?
Replace a lcd panel?
No
Input a analog PC signal and
connected cable(DPMS).
No
PC cable. Change a PC
cable. Change a main PCB ass'y.
No
Check IC5002, 6003.
Change a main PBA.
No
Please, Call to Samsung Co. LTD.
4 Troubleshooting
4-3